Examples with Scroller android.widget.Scroller used on opensource projects

Example 16 with Scroller

use of android.widget.Scroller in project Fairphone by Kwamecorp.

the class PagedView method init.

/**
     * Initializes various states for this workspace.
     */
protected void init() {
    mDirtyPageContent = new ArrayList<Boolean>();
    mDirtyPageContent.ensureCapacity(32);
    mScroller = new Scroller(getContext(), new ScrollInterpolator());
    mCurrentPage = 0;
    mCenterPagesVertically = true;
    final ViewConfiguration configuration = ViewConfiguration.get(getContext());
    mTouchSlop = configuration.getScaledTouchSlop();
    mPagingTouchSlop = configuration.getScaledPagingTouchSlop();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mDensity = getResources().getDisplayMetrics().density;
    mFlingThresholdVelocity = (int) (FLING_THRESHOLD_VELOCITY * mDensity);
    mMinFlingVelocity = (int) (MIN_FLING_VELOCITY * mDensity);
    mMinSnapVelocity = (int) (MIN_SNAP_VELOCITY * mDensity);
    setOnHierarchyChangeListener(this);
}

Example 17 with Scroller

use of android.widget.Scroller in project CurtainView by aicaprio.

the class CurtainView method init.

private void init(Context context) {
    ViewConfiguration viewConfiguration = ViewConfiguration.get(context);
    mTouchSlop = viewConfiguration.getScaledTouchSlop();
    mScroller = new Scroller(context);
    mContext = context;
}

Example 18 with Scroller

use of android.widget.Scroller in project actor-platform by actorapp.

the class VerticalViewPager method initViewPager.

void initViewPager() {
    setWillNotDraw(false);
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    final float density = context.getResources().getDisplayMetrics().density;
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = (int) (MIN_FLING_VELOCITY * density);
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
    mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);
    ViewCompat.setAccessibilityDelegate(this, new MyAccessibilityDelegate());
    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
}

Example 19 with Scroller

use of android.widget.Scroller in project material-intro-screen by TangoAgency.

the class CustomViewPager method initViewPager.

void initViewPager() {
    setWillNotDraw(false);
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    final float density = context.getResources().getDisplayMetrics().density;
    mTouchSlop = configuration.getScaledPagingTouchSlop();
    mMinimumVelocity = (int) (MIN_FLING_VELOCITY * density);
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mLeftEdge = new EdgeEffectCompat(context);
    mRightEdge = new EdgeEffectCompat(context);
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
    mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);
    ViewCompat.setAccessibilityDelegate(this, new MyAccessibilityDelegate());
    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
    ViewCompat.setOnApplyWindowInsetsListener(this, new android.support.v4.view.OnApplyWindowInsetsListener() {

        private final Rect mTempRect = new Rect();

        @Override
        public WindowInsetsCompat onApplyWindowInsets(final View v, final WindowInsetsCompat originalInsets) {
            // First let the ViewPager itself try and consume them...
            final WindowInsetsCompat applied = ViewCompat.onApplyWindowInsets(v, originalInsets);
            if (applied.isConsumed()) {
                // If the ViewPager consumed all insets, return now
                return applied;
            }
            // Now we'll manually dispatch the insets to our children. Since ViewPager
            // children are always full-height, we do not want to use the standard
            // ViewGroup dispatchApplyWindowInsets since if child 0 consumes them,
            // the rest of the children will not receive any insets. To workaround this
            // we manually dispatch the applied insets, not allowing children to
            // consume them from each other. We do however keep track of any insets
            // which are consumed, returning the union of our children's consumption
            final Rect res = mTempRect;
            res.left = applied.getSystemWindowInsetLeft();
            res.top = applied.getSystemWindowInsetTop();
            res.right = applied.getSystemWindowInsetRight();
            res.bottom = applied.getSystemWindowInsetBottom();
            for (int i = 0, count = getChildCount(); i < count; i++) {
                final WindowInsetsCompat childInsets = ViewCompat.dispatchApplyWindowInsets(getChildAt(i), applied);
                // Now keep track of any consumed by tracking each dimension's min
                // value
                res.left = Math.min(childInsets.getSystemWindowInsetLeft(), res.left);
                res.top = Math.min(childInsets.getSystemWindowInsetTop(), res.top);
                res.right = Math.min(childInsets.getSystemWindowInsetRight(), res.right);
                res.bottom = Math.min(childInsets.getSystemWindowInsetBottom(), res.bottom);
            }
            // Now return a new WindowInsets, using the consumed window insets
            return applied.replaceSystemWindowInsets(res.left, res.top, res.right, res.bottom);
        }
    });
}

Example 20 with Scroller

use of android.widget.Scroller in project android_frameworks_base by ParanoidAndroid.

the class PagedView method init.

/**
     * Initializes various states for this workspace.
     */
protected void init() {
    mDirtyPageContent = new ArrayList<Boolean>();
    mDirtyPageContent.ensureCapacity(32);
    mScroller = new Scroller(getContext(), new ScrollInterpolator());
    mCurrentPage = 0;
    final ViewConfiguration configuration = ViewConfiguration.get(getContext());
    mTouchSlop = configuration.getScaledTouchSlop();
    mPagingTouchSlop = configuration.getScaledPagingTouchSlop();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mDensity = getResources().getDisplayMetrics().density;
    // Scale the fling-to-delete threshold by the density
    mFlingToDeleteThresholdVelocity = (int) (mFlingToDeleteThresholdVelocity * mDensity);
    mFlingThresholdVelocity = (int) (FLING_THRESHOLD_VELOCITY * mDensity);
    mMinFlingVelocity = (int) (MIN_FLING_VELOCITY * mDensity);
    mMinSnapVelocity = (int) (MIN_SNAP_VELOCITY * mDensity);
    setOnHierarchyChangeListener(this);
}